import java.util.Scanner;
public class Example7_6 {
   public static void main(String args[]) {
      int [] score = {-120,98,89,120,99};
      int sum = 0;
      for(int number:score) {
         assert number>=0:"负数不能是成绩";
         sum = sum+number;
      }
      System.out.println("总成绩:"+sum);
    }
}
